<template>
    <contentField>
        <table class="table table-dark table-striped table-hover">
                        <thead>
                            <tr>
                                <th>玩家A</th>
                                <th>玩家B</th>
                                <th>对战结果</th>
                                <th>对战时间</th>
                                <th>操作</th>
                            </tr>
                        </thead>

                        <tbody>
                            <tr v-for="record in records" :key="record.record.id">
                                <td>
                                    <img :src="record.a_photo" alt="" class="record-user-photo">
                                    &nbsp;
                                    <span class="record-user-username">{{ record.a_username }}</span>
                                </td>
                                <td> 
                                    <img :src="record.b_photo" alt="" class="record-user-photo">
                                    &nbsp;
                                    <span class="record-user-username">{{ record.b_username }}</span>
                                </td>
                                <td>{{ record.result }}</td>
                                <td>{{ record.record.createTime }}</td>
                                <td>
                                    <button @click="open_record_content(record.record.id)" type="button" class="btn btn-warning">查看录像</button>
                                </td>
                            </tr>
                        </tbody>
                    </table>

                    <nav aria-label="...">
                        <ul class="pagination" style="float: right">
                            <li class="page-item    ">
                                <a class="page-link" href="#" @click="click_page(-2)">前一页</a>
                            </li>
                            <li :class="'page-item' + page.is_active" v-for="page in pages" :key="page.number" @click="click_page(page.number)">
                                <a class="page-link" href="#">{{ page.number }}</a>
                            </li>
                            <li class="page-item">
                                <a class="page-link" href="#" @click="click_page(1)">后一页</a>
                            </li>
                        </ul>
                    </nav>
    </contentField>
</template>

<script>
import contentField from '@/components/contentField'
import { useStore } from 'vuex';
import $ from "jquery"
import { ref } from 'vue';
import router from '@/router';

export default {
    components: {
        contentField,
    },
    setup () {
        const store = useStore();
        let current_page = 1;
        let records = ref([]);
        let total_records = 0;
        let pages = ref([]);

        const click_page = (page) => {
            if (page === -2) page = current_page -1;
            else if (page === 1) page = current_page + 1;
            let max_pages = parseInt(Math.ceil(total_records / 10));
            if (page >= 1 && page <= max_pages) {
                pull_page(page)
            }
        }

        const update_pages = () => {
            let max_pages = parseInt(Math.ceil(total_records / 10));
            let new_pages = [];
            for (let i = current_page - 2; i <= current_page + 1; i ++ ) {
                if (i >= 1 && i <= max_pages) {
                    new_pages.push({
                        number: i,
                        is_active: i === current_page
                    });
                }
            }

            pages.value = new_pages;
        }

        const pull_page = page => {
            current_page = page;
            $.ajax({
                url: "http://localhost:3000/record/getList/",
                type: "get",
                data: {
                    page,
                },
                headers: {
                    Authorization: "Bearer " + store.state.user.token,
                },
                success(response) {
                    records.value = response.records;
                    total_records = response.records_count
                    update_pages();
                },
            })
        }

        pull_page(current_page);

        const stringTo2D = map => {
            let g = [];
            for (let i = 0, k = 0; i < 20; i ++ ) {
                let line = [];
                for (let j = 0; j < 31; j ++, k ++  ) {
                    if (map[k] === '0') line.push(0);
                    else line.push(1);
                }

                g.push(line);
            }

            return g;
        }

        const open_record_content = recordId => {
            for (const record of records.value) {
                if (record.record.id === recordId) {
                    store.commit("updateIsRecord", true);
                    store.commit("updateGame", {
                        map: stringTo2D(record.record.map),
                        a_id: record.record.aid,
                        a_sx: record.record.asx,
                        a_sy: record.record.asy,
                        b_id: record.record.bid,
                        b_sx: record.record.bsx,
                        b_sy: record.record.bsy,
                    });
                    store.commit("updateSteps", {
                        a_steps: record.record.asteps,
                        b_steps: record.record.bsteps,
                    })
                    store.commit("updateRecordLoser", record.record.loser)
                    router.push({
                        name: "record_content",
                        params: {
                            recordId,
                        }
                    })
                    break;
                }
            }
        };

        return {
            records,
            open_record_content,
            pages,
            click_page
        }
    }
}
</script>

<style scoped>

img.record-user-photo {
    width: 4vh;
    border-radius: 50%;
}
</style>